The industry standard for years, the Type 4 is still manufactured today using Hammond’s original design. Counter wound and coupled springs deliver superior mechanical performance and the classic sound that helped make the Fender Twin Reverb Amps famous.
- Replaces: 4AB3C1B
- Solid, sturdy construction
- Type: Long (2 Spring) tank
- Decay: long decay
- Input: 8 Ohm
- Output: 2,250 Ohm
- Connectors: Input insulated/output grounded
- Locking: No lock
- Mounting: Horizontal/open side down
Compatible amps include tube reverbs from 1963-1990 such as the Princeton Reverb, Vibrolux Reverb, Deluxe Reverb, Super Reverb, Pro Reverb, Twin Reverb, Quad Reverb, Super Six Reverb, Vibrosonic Reverb. This also includes all reissue equivalents. Also includes Fender ’63 Reissue Reverb Unit, Fender Concert II, Mesa Boogie MK2C plus other models, LAB Series L5, L7, L9, Koch Powertone I, B-52 AT-100. Also compatible with some speaker-driven, type F, vintage Ampeg amps such as B12X, B12XY, Echo Jet, Echo Twin.